<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>CSS Test: Block formatting context auto height with floated descendants of the normal flow and bottom margins</title>
        <link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
        <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#root-height" />
        <meta name="flags" content="" />
        <meta name="assert" content="The auto height of a block formatting context element is computed by accounting for bottom-margins of floated content descendents in the normal flow which would otherwise be below the bottom edge of that element." />
        <style type="text/css">* { margin: 0; padding: 0 }
            #container
            {
                width: 100px;
                height: auto;
                background: black;
                position: absolute;
            }
            #float
            {
                float: left;
                margin-bottom: 50px;
                height: 50px;
                width: 100%; 
            }
        </style>
    </head>
    <body>
        <p>Test passes if there is a square below.</p>
        <div id="container">
            <div>
                <div id="float"></div>
            </div>
        </div>
    </body>
</html>